the first revision - locate digits by scanning
locate digits by scanning.
locate by scan
修复上下连续两个梯形斜率反转时的bug
for centos5.x
fix 8->1 bug; return string instead of integer.
revision
revision
revision
revision
revision
revision
revision
revision
revision: delimiter
revision
revision
useable
digits recognize use-able
revision
revision
revision
revision
revision
creating by ext_skel